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- A3 Pro vs Y31
OPPO A3 Pro vs Vivo Y31
What A3 Pro does better (8) and where Y31 wins (5) — every spec side by side.
Dimensions
Size comparison
A3 ProY31
| A3 Pro | Y31 | Difference | |
|---|---|---|---|
| Height | 165.8 mm | 166.1 mm | −0.3 mm |
| Width | 76.1 mm | 77 mm | −0.9 mm |
| Thickness | 7.7 mm | 8.4 mm | −0.7 mm |
| Weight | 186 g | 209 g | −23 g |
Drawn to the same scale from the official dimensions (front and side).
Why is A3 Pro better than Y31?
- NFCYes · Y31: No
- Wired charging45 W vs 44 W+2%
- 3.5 mm headphone jackYes · Y31: No
- Weight186 g vs 209 g+12%
- CPU frequency2.4 GHz vs 2.2 GHz+9%
- Charged in 30 min50% vs 39%+28%
- Bluetooth5.3 vs 4.2+26%
- Thickness7.7 mm vs 8.4 mm+9%
Why is Y31 better than A3 Pro?
- Battery capacity5,100 mAh vs 6,500 mAh+27%
- Water resistance (IPx)IPx4 vs IPx82×
- Storage (max)256 GB vs 512 GB2×
- Stereo speakersNo · A3 Pro: Yes
- Process6 nm vs 4 nm+50%
Specifications
Side by side
| Design | ||
| Weight | 186 g | 209 g |
| Thickness | 7.7 mm | 8.4 mm |
| Height | 165.8 mm | 166.1 mm |
| Width | 76.1 mm | 77 mm |
| Ingress protection | IP54 | IP68 |
| Water resistance (IPx) | IPx4 | IPx8 |
| Glass protection | Panda glass | Guardian Glass (ion-strengthened) |
| Colours | Moonlit Purple, Starry Black | Rose Red, Diamond Green |
| Display | ||
| Screen size | 6.7″ | 6.7″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,604 px | 1,608 px |
| Pixel density | 264 ppi | 264 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,000 nits | 1,000 nits |
| Screen-to-body ratio | 85% | 84% |
| Performance | ||
| Chipset | Mediatek Dimensity 6300 | Qualcomm SM4450 Snapdragon 4 Gen 2 |
| Chip maker | MediaTek | Qualcomm |
| Process | 6 nm | 4 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.4 GHz | 2.2 GHz |
| GPU | Mali-G57 MC2 | Adreno 613 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 512 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.2 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 8 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,100 mAh | 6,500 mAh |
| Battery type | — | Li-Ion |
| Wired charging | 45 W | 44 W |
| Charged in 30 min | 50% | 39% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.3 | 4.2 |
| NFC | Yes | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | No | Yes |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| SAR (head) | — | 1.13 W/kg |
| Software | ||
| OS at launch | Android 14 | Android 15 |
| Platform | Android | Android |
| Interface | ColorOS 15 | Funtouch 15 |
